juniorR
How do loops work in R?
Updated May 24, 2026
Short answer
Loops allow repeated execution using for, while, and repeat.
Deep explanation
Used for iterative tasks but often replaced by vectorized operations.
Real-world example
Iterating over file names.
Common mistakes
- Overusing loops instead of vectorization.
Follow-up questions
- What is vectorization?
- When to avoid loops?